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Article: Subthreshold Dynamics and Its Effect on Signal Transduction in a Neural System

TitleSubthreshold Dynamics and Its Effect on Signal Transduction in a Neural System
Authors
KeywordsSignal transduction
Stochastic resonance
Subthreshold dynamics
Issue Date1998
PublisherInstitute of Pure and Applied Physics. The Journal's web site is located at http://www.ipap.jp/jpsj/index.htm
Citation
Journal Of The Physical Society Of Japan, 1998, v. 67 n. 10, p. 3637-3644 How to Cite?
AbstractSubthreshold dynamics and its effect on signal transduction in a neural system are studied by using the Hindmarsh-Rose neuron model. Under a periodic stimulation, as the constant bias of the stimulus increases, the neuron exhibits subthreshold periodic and subthreshold chaotic responses, suprathreshold chaotic firing of spikes, and mode-locked firing. The phase diagram of the system is obtained. The dynamic behavior obtained is in agreement with experiments on the squid giant axon. In particular, the subthreshold periodic oscillatory state is related to a number of experimental results, such as those found in the neurons of the inferior olivary nucleus. More importantly, we also find that subthreshold chaotic responses play a role analogous to the internal deterministic noise, and can enhance weak signal transduction via a mechanism similar to stochastic resonance.
Persistent Identifierhttp://hdl.handle.net/10722/80532
ISSN
2015 Impact Factor: 1.559
2015 SCImago Journal Rankings: 0.720
References

 

DC FieldValueLanguage
dc.contributor.authorWang, Yen_HK
dc.contributor.authorWang, ZDen_HK
dc.contributor.authorWang, Wen_HK
dc.date.accessioned2010-09-06T08:07:29Z-
dc.date.available2010-09-06T08:07:29Z-
dc.date.issued1998en_HK
dc.identifier.citationJournal Of The Physical Society Of Japan, 1998, v. 67 n. 10, p. 3637-3644en_HK
dc.identifier.issn0031-9015en_HK
dc.identifier.urihttp://hdl.handle.net/10722/80532-
dc.description.abstractSubthreshold dynamics and its effect on signal transduction in a neural system are studied by using the Hindmarsh-Rose neuron model. Under a periodic stimulation, as the constant bias of the stimulus increases, the neuron exhibits subthreshold periodic and subthreshold chaotic responses, suprathreshold chaotic firing of spikes, and mode-locked firing. The phase diagram of the system is obtained. The dynamic behavior obtained is in agreement with experiments on the squid giant axon. In particular, the subthreshold periodic oscillatory state is related to a number of experimental results, such as those found in the neurons of the inferior olivary nucleus. More importantly, we also find that subthreshold chaotic responses play a role analogous to the internal deterministic noise, and can enhance weak signal transduction via a mechanism similar to stochastic resonance.en_HK
dc.languageengen_HK
dc.publisherInstitute of Pure and Applied Physics. The Journal's web site is located at http://www.ipap.jp/jpsj/index.htmen_HK
dc.relation.ispartofJournal of the Physical Society of Japanen_HK
dc.subjectSignal transductionen_HK
dc.subjectStochastic resonanceen_HK
dc.subjectSubthreshold dynamicsen_HK
dc.titleSubthreshold Dynamics and Its Effect on Signal Transduction in a Neural Systemen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0031-9015&volume=67&spage=3637&epage=3644&date=1998&atitle=Subthreshold+Dynamics+and+Its+Effect+on+Signal+Transduction+in+a+Neural+Systemen_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0032285163en_HK
dc.identifier.hkuros38919en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0032285163&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume67en_HK
dc.identifier.issue10en_HK
dc.identifier.spage3637en_HK
dc.identifier.epage3644en_HK
dc.publisher.placeJapanen_HK
dc.identifier.scopusauthoridWang, Y=7601487807en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK
dc.identifier.scopusauthoridWang, W=36072896000en_HK

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